Best known for his roles in sci-fi series Firefly and Serenity, the petition claims that Baldwin posted on his Twitter linked to videos that revealed private details of a number of female game developers to his ‘several thousand followers’. It claims Baldwin was responsible for creating the hashtag ‘GamerGate’ that led to ‘numerous instances of harassment and abuse towards women’ in the past six months – claims that Baldwin says aren’t true and defamatory of him.